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Jiafeng
csst-l1doc
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b78ea2df
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b78ea2df
authored
Mar 06, 2023
by
Wang Xia
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Update algorithm.rst
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@@ -7,21 +7,31 @@ Instrument correction
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@@ -7,21 +7,31 @@ Instrument correction
概述
概述
``````````````````
``````````````````
`csst_ms_sls_instrument` 程序包是应用于CSST无缝光谱模块的仪器效应改正程序,无缝光谱模块包含12个探测器,每4块探测器对应1个波段,每个波段的部分仪器参数如下:
`csst_ms_sls_instrument` 程序包是应用于CSST无缝光谱模块的仪器效应改正程序,无缝光谱模块包含12个
9k×9k
探测器,每4块探测器对应1个波段,每个波段的部分仪器参数如下:
- GU: 660×660″ field of view from 255-400nm with a plate scale of 0.074″/pixel
- GU: 660×660″ field of view from 255-400nm with a plate scale of 0.074″/pixel
- GV: 660×660″ field of view from 400-620nm with a plate scale of 0.074″/pixel
- GV: 660×660″ field of view from 400-620nm with a plate scale of 0.074″/pixel
- GI: 660×660″ field of view from 620-1000nm with a plate scale of 0.074″/pixel
- GI: 660×660″ field of view from 620-1000nm with a plate scale of 0.074″/pixel
`csst_ms_sls_instrument` 将顺序执行一系列的探测器效应改正,生成单次曝光
的改正后
数据产品。该程序是用Python语言实现,代码地址:code_。
`csst_ms_sls_instrument` 将顺序执行一系列的探测器效应改正,生成单次曝光
图像预处理后的
数据产品。该程序是用Python语言实现,代码地址:code_。
.. _code: https://csst-tb.bao.ac.cn/code/csst-l1/sls/csst_ms_sls_instrument
.. _code: https://csst-tb.bao.ac.cn/code/csst-l1/sls/csst_ms_sls_instrument
数据产品
数据产品
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`csst_ms_sls_instrument` 将从`csst_common.CsstMsDataManager` 获取0级数据和参考文件。0级数据是有一个扩展的fits文件,头文件中存放着观测天区、曝光信息、探测器信息等,具体关键字说明参见DataModel_。
`csst_ms_sls_instrument` 将从`csst_common.CsstMsDataManager` 获取0级数据和参考文件。0级数据是有一个扩展的fits文件,头文件中存放着观测天区、曝光信息、探测器信息等,具体关键字说明参见
DataModel_
,扩展的数据单元存放着原始观测图像
。
.. _DataModel: https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc/-/blob/main/docs/source/sls/data_model.md
.. _DataModel: https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc/-/blob/main/docs/source/sls/data_model.md
CSST无缝光谱的1级数据产品是三个扩展的fits文件,扩展内容如下表所示:
+-----------------+---------+-------------------+
| Extension Name | bunit | comment |
+=================+=========+===================+
| SCI | e-/s | science image |
+-----------------+---------+-------------------+
| ERR | e-/s | error array |
+-----------------+---------+-------------------+
| DQ | unitless| data quality array|
+-----------------+---------+-------------------+
Position calibration
Position calibration
---------------------
---------------------
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